CN215927131U - Door opening and closing device and household appliance - Google Patents
Door opening and closing device and household appliance Download PDFInfo
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- CN215927131U CN215927131U CN202122410607.5U CN202122410607U CN215927131U CN 215927131 U CN215927131 U CN 215927131U CN 202122410607 U CN202122410607 U CN 202122410607U CN 215927131 U CN215927131 U CN 215927131U
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- screw
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Abstract
The utility model discloses a door opening and closing device and a household appliance, wherein the door opening and closing device comprises a shell, a sliding door, a transmission mechanism and a motor; the sliding door is characterized in that an opening is formed in the shell, the sliding door is slidably mounted on the shell, the transmission mechanism comprises an internal thread screw and an external thread screw, the external thread screw is in thread fit with the internal thread screw, and one of the internal thread screw and the external thread screw is connected with the sliding door; the motor is in driving connection with the other one of the internal thread screw and the external thread screw so as to drive the sliding door to open or close the opening. The utility model provides a door opening and closing device, which can improve the reliability of a sliding door during movement.
Description
Technical Field
The utility model relates to the technical field of air conditioning equipment, in particular to a door opening and closing device and a household appliance.
Background
In the more and more application to people's life of domestic appliance such as dish washer, oven, steam ager, generally, the drive mode of domestic appliance switch door adopts translation mode or rotation mode mostly, uses the switch door of translation mode, and actuating mechanism generally adopts rack and pinion mechanism. However, the spare part of rack and pinion structure is more, and the switch door generally all remains certain clearance with the spout when removing, if have the burr in the spout, or assemble the unevenness, have foreign matter, granule etc. then when the switch door removes in the spout, the slope phenomenon appears easily to arouse the rack slope, lead to blocking between gear and the rack, make the condition that the unable removal appears in the switch door, the drive mode is less reliable.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a door opening and closing device, aiming to improve the reliability of a sliding door during moving.
In order to achieve the purpose, the door opening and closing device provided by the utility model comprises a shell, a sliding door, a transmission mechanism and a motor; the sliding door is characterized in that an opening is formed in the shell, the sliding door is slidably mounted on the shell, the transmission mechanism comprises an internal thread screw and an external thread screw, the external thread screw is in thread fit with the internal thread screw, and one of the internal thread screw and the external thread screw is connected with the sliding door; the motor is in driving connection with the other one of the internal thread screw and the external thread screw so as to drive the sliding door to open or close the opening.
Optionally, the housing is provided with a connecting hole, and a motor shaft of the motor is connected with one end of the external thread screw rod through the connecting hole; a groove is formed in the shell, and the other end of the external thread screw is arranged in the groove.
Optionally, the sliding door is connected with the internal thread screw, and the internal thread screw is in threaded fit with the external thread screw.
Optionally, the length of the thread of the externally threaded screw is less than the length of the externally threaded screw.
Optionally, one end of the external threaded rod, which is close to the motor, is provided with a first mounting hole, and a motor shaft of the motor is connected with the first mounting hole.
Optionally, the housing is provided with a connecting hole, and a motor shaft of the motor is connected with one end of the internal thread screw through the connecting hole; the external thread screw rod with the sliding door is connected, the internal thread screw rod with external thread screw rod screw thread adaptation.
Optionally, one end of the internal thread screw rod, which is close to the motor, is provided with a second mounting hole, and a motor shaft of the motor is arranged in the second mounting hole.
Optionally, a sliding groove is arranged in the housing, and the sliding door is arranged in the sliding groove.
Optionally, the door opening and closing device is an electric control box, or the door opening and closing device is an aromatherapy box.
The utility model also provides a household appliance, which comprises a door opening and closing device, wherein the door opening and closing device comprises a shell, a sliding door, a transmission mechanism and a motor; the sliding door is characterized in that an opening is formed in the shell, the sliding door is slidably mounted on the shell, the transmission mechanism comprises an internal thread screw and an external thread screw, the external thread screw is in thread fit with the internal thread screw, and one of the internal thread screw and the external thread screw is connected with the sliding door; the motor is in driving connection with the other one of the internal thread screw and the external thread screw so as to drive the sliding door to open or close the opening.
Optionally, the household appliance is an air conditioner, or the household appliance is a humidifier.
According to the technical scheme, the novel door opening and closing device is designed and comprises a shell, a sliding door, a transmission mechanism and a motor, wherein an opening is formed in the shell, and the door opening and closing device mainly adopts a driving mode of a threaded screw rod as the transmission mechanism to drive the sliding door to move so that the sliding door can open or close the opening. Compare in traditional drive mode that adopts rack and pinion to drive the sliding door and carry out the door opening and closing device that removes, this door opening and closing device's simple structure, and spare part is less relatively, can reduction in production cost, simultaneously, adopts the drive mode of screw thread screw rod, has further improved the reliability of sliding door when removing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of a structure of an embodiment of a door opening and closing device according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a door opening and closing device according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is an exploded view of another embodiment of a door opening and closing device according to the present invention;
FIG. 6 is a schematic structural diagram of another embodiment of a door opening and closing device according to the present invention;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | Sliding |
| 11 | Opening of the |
30 | |
| 12 | Raised |
31 | |
| 121 | |
32 | The external thread is resolute and dare |
| 13 | Connecting |
321 | |
| 14 | |
40 | |
| 15 | First fixed |
100 | Door opening and |
| 16 | Second fixing column |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an embodiment of a door opening and closing device, the door opening and closing device adopts a driving mode of a threaded screw rod to drive a sliding door, the number of parts of the structure is small, the production cost can be reduced, and the door opening and closing device can be applied to household appliances such as a dish washing machine, an oven, a steam box and the like, or can also be applied to an air purifier, a humidifier or an air conditioner.
Referring to fig. 1 and 5, in an embodiment of the present invention, the door opening and closing device includes a housing 10, a sliding door 20, a transmission mechanism 30 and a motor 40; the opening 11 is formed in the shell 10, the sliding door 20 is slidably mounted on the shell 10, the transmission mechanism 30 comprises an internal thread screw 31 and an external thread screw 32, the external thread screw 32 is in threaded fit with the internal thread screw 31, and one of the internal thread screw 31 and the external thread screw 32 is connected with the sliding door 20; the motor 40 is driven to connect the other of the internally threaded screw 31 and the externally threaded screw 32 to drive the sliding door 20 to open or close the opening 11.
Specifically, the material of the housing 10 is a hard material, and as for the type of the hard material, the hard material may be ABS, HIPS, PP, PC, or the like, or a metal or alloy material, and the like, and is not particularly limited. A receiving cavity is formed inside the housing 10 for other devices to be placed. An opening 11 is opened on the housing 10, and a sliding door 20 is provided in the housing 10 and slidably provided at the housing 10, mainly for opening or closing the opening 11.
As for the shape of the sliding door 20, the sliding door 20 may be an arc panel, a wave panel, or other regular or irregular panel, and may be freely selected according to the aesthetic degree of the sliding door 20, actual requirements, and the like. Of course, no matter how the shape of the sliding door 20 is designed, it is necessary to ensure that the driving mechanism 30 can drive the sliding door 20 to move, so that the sliding door 20 can function to open or close the opening 11, and in this embodiment, the shape of the sliding door 20 is a straight plate.
The driving mode of the door opening and closing device 100 is driven by the motor 40, the transmission mechanism 30 is mainly used for connecting the sliding door 20 and the motor 40, one of the internal thread screw 31 and the external thread screw 32 in the transmission mechanism 30 is connected with the sliding door 20, the other one is connected with the motor 40, and the external thread screw 32 is in thread fit with the internal thread screw 31. If the internal thread screw 31 is connected with the sliding door 20, when the motor 40 works, the motor 40 rotates to drive the external thread screw 32 to rotate, the external thread screw 32 is in threaded fit with the internal thread screw 31, and the sliding door 20 connected with the internal thread screw 31 is driven to slide, so that the opening 11 is opened or closed. Similarly, if the externally threaded screw 32 is connected to the sliding door 20, the principle of the motor 40 driving the sliding door 20 to move is the same as that described above, and thus the description thereof is omitted.
According to the technical scheme of the utility model, a novel door opening and closing device 100 is designed, the door opening and closing device 100 comprises a shell 10, a sliding door 20, a transmission mechanism 30 and a motor 40, an opening 11 is formed in the shell 10, and the door opening and closing device 100 mainly adopts a driving mode of a threaded screw as the transmission mechanism 30 to drive the sliding door 20 to move so that the sliding door 20 can open or close the opening 11. Compared with the traditional door opening and closing device adopting a gear and rack driving mode to drive the sliding door to move, the door opening and closing device 100 is simple in structure, relatively few in parts and capable of reducing production cost, and meanwhile, the reliability of the sliding door 20 in moving is further improved by adopting a threaded screw driving mode.
Referring to fig. 1, in an embodiment, a connecting hole 13 is formed in a housing 10, and a motor shaft of a motor 40 is connected to one end of an external threaded rod 32 through the connecting hole 13; a groove 121 is provided in the housing 10, and the other end of the externally threaded screw 32 is disposed in the groove 121.
Specifically, the transmission mechanism 30 is disposed inside the housing 10, and the motor 40 is disposed outside the housing 10, so that a connection hole 13 is formed in the housing 10, and a motor shaft of the motor 40 can pass through the connection hole 13 to connect the transmission mechanism 30 and the motor 40. Wherein the external threaded rod 32 of the transmission mechanism 30 is connected to the motor 40, the end of the external threaded rod 32 not connected to the motor 40 should also be fixedly installed in the housing 10, so that the sliding door 20 can move along the direction in which the external threaded rod 32 extends. Therefore, a protrusion 12 is further disposed in the housing 10, the shape of the protrusion 12 may be set to be circular, or the shape of the protrusion 12 may be set to be square, prismatic, or other shapes, in this embodiment, the shape of the protrusion 12 is set to be circular, a groove 121 is further formed in the middle of the protrusion 12, and one end of the externally threaded screw 32 is inserted into the groove 121, so that the externally threaded screw 32 can rotate around the groove 121 under the action of the motor 40.
Referring to fig. 1 to 4, in an embodiment, the sliding door 20 is connected to the internal threaded rod 31, and the internal threaded rod 31 and the external threaded rod 32 are in threaded engagement. Specifically, the sliding door 20 can be integrally formed with the internal thread screw 31, so that the trouble of assembly between the sliding door 20 and the internal thread screw 31 in the later period can be avoided, the production efficiency of manufacturing the door opening and closing device 100 is further improved, and meanwhile, the sliding door 20 and the internal thread screw 31 are firmly connected and are relatively durable.
Further, the length of the thread of the externally threaded screw 32 is smaller than the length of the externally threaded screw 32. Because internal thread screw 31 is connected with sliding door 20, external thread screw 32 and internal thread screw 31 cooperation are connected, and external thread screw 32 only needs the screw-thread fit in part and the internal thread screw 31, just can play the effect that drives sliding door 20 and remove, consequently, the thread length of external thread screw 32 can be less than the length of external thread screw 32, can improve the work efficiency of making external thread screw 32, and can also reduce the material of making external thread screw 32. Of course, in other embodiments, the length of the threads of the externally threaded screw 32 may be equal to the length of the externally threaded screw 32.
Referring to fig. 1, it is worth mentioning that a first mounting hole 321 is disposed at one end of the external threaded rod 32 close to the motor 40, and a motor shaft of the motor 40 is connected to the first mounting hole 321. Specifically, the first mounting hole 321 is mainly used for placing a motor shaft of the motor 40 so that the motor 40 is coupled with the externally threaded screw 32. The specific shape of the first mounting hole 321 is adapted to the shape of the motor shaft, so as to achieve a better connection effect.
In another embodiment, the housing 10 is provided with a connecting hole 13, and a motor shaft of the motor 40 is connected with one end of the internal thread screw 31 through the connecting hole 13; the external thread screw 32 is connected with the sliding door 20, and the internal thread screw 31 is in thread fit with the external thread screw 32.
Specifically, the transmission mechanism 30 is disposed inside the housing 10, and the motor 40 is disposed outside the housing 10, so that a connection hole 13 needs to be formed in the housing 10, and a motor shaft of the motor 40 can pass through the connection hole 13 to connect the transmission mechanism 30 and the motor 40. The internal thread screw 31 in the transmission mechanism 30 is connected with the motor 40, and when the motor 40 works, the internal thread screw 31 can be driven by the motor 40 to rotate.
Further, one end of the internally threaded screw 31 near the motor 40 is provided with a second mounting hole, and a motor shaft of the motor 40 is disposed in the second mounting hole. The connection between the motor 40 and the internally threaded screw 31 is mainly fixed by the second mounting hole. The shape of the second mounting hole is the same as the shape of the motor shaft of the motor 40, and after the motor shaft of the motor 40 is inserted into the second mounting hole, the second mounting hole can have a good fixing effect with the motor 40.
Referring to fig. 1 and 5, according to any of the above embodiments, the sliding slot 14 is disposed in the housing 10, and the sliding door 20 is disposed in the sliding slot 14. Specifically, the sliding groove 14 may be separately disposed in the casing 10, or may be integrally disposed with the casing 10, and in the door opening and closing device 100, the sliding groove 14 and the casing 10 are integrally disposed, so that the design of the mold can be reduced, and the production efficiency of the door opening and closing device 100 is improved. The sliding groove 14 extends along the length direction of the housing 10, the sliding door 20 is disposed in the sliding groove 14, and a gap is left between the sliding door 20 and the sliding groove 14, so that the sliding door 20 can slide in the sliding groove 14 conveniently. When the motor 40 is operated, the rotation of the motor shaft of the motor 40 drives the transmission mechanism 30 to operate, so as to drive the sliding door 20 to move along the extending direction of the sliding slot 14, thereby opening or closing the opening 11.
Referring to fig. 3, 4, 7 and 8, in an embodiment, a first fixing post 15 is further disposed in the housing 10, a second fixing post 16 is disposed outside the housing 10, and the motor 40 is fixedly mounted outside the housing 10 through the first fixing post 15 and the second fixing post 16. Specifically, the first fixing column 15 and the second fixing column 16 are substantially cylindrical, the first fixing column 15 and the second fixing column 16 are provided with screw holes facing the motor 40, the motor 40 can be fixedly mounted outside the housing 10 through the first fixing column 15 and the second fixing column 16 by screwing, so as to fix the position of the motor 40, and prevent the motor 40 from being shifted when being subjected to an external force, so that the transmission mechanism 30 cannot be driven to drive the sliding door 20 to slide. Of course, in other embodiments, the motor 40 may be fixed to the housing 10 by a snap, or may be fixed by other methods, and is not limited in particular.
In one embodiment, the door opening and closing device 100 is an electric control box, or the door opening and closing device 100 is an aromatherapy box. Specifically, the door opening and closing device 100 may be used as an electric control box in which circuit components are placed in the case 10, or the door opening and closing device 100 may be used as a fragrance box in which fragrance is conveniently taken in and out.
The utility model also provides a household appliance which comprises a door opening and closing device. The specific structure of the door opening and closing device refers to the above embodiments, and since the household appliance adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. Wherein the type of the home appliance may be an air conditioner, or the type of the home appliance may be a humidifier.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. An opening and closing door apparatus, characterized in that the opening and closing door apparatus comprises:
the shell is provided with an opening;
a sliding door slidably mounted to the housing;
the transmission mechanism comprises an internal thread screw and an external thread screw, the external thread screw is in thread fit with the internal thread screw, and one of the internal thread screw and the external thread screw is connected with the sliding door; and
and the motor is in driving connection with the other one of the internal thread screw and the external thread screw so as to drive the sliding door to open or close the opening.
2. The door opening and closing device according to claim 1, wherein the housing is provided with a connecting hole, and a motor shaft of the motor is connected with one end of the externally threaded screw through the connecting hole; a groove is formed in the shell, and the other end of the external thread screw is arranged in the groove.
3. The door opening and closing device as claimed in claim 2, wherein the sliding door is coupled to the female screw, and the female screw and the male screw are screw-threadedly engaged.
4. The opening and closing door apparatus as claimed in claim 3, wherein the externally threaded screw has a thread length smaller than that of the externally threaded screw.
5. The door opening and closing apparatus as claimed in claim 3, wherein a first mounting hole is provided at an end of the externally threaded screw adjacent to the motor, and a motor shaft of the motor is coupled to the first mounting hole.
6. The door opening and closing device according to claim 1, wherein the housing is provided with a connecting hole, and a motor shaft of the motor is connected with one end of the internal threaded screw through the connecting hole; the external thread screw rod with the sliding door is connected, the internal thread screw rod with external thread screw rod screw thread adaptation.
7. The door opening and closing apparatus as claimed in claim 6, wherein an end of the internally threaded screw adjacent to the motor is provided with a second mounting hole, and a motor shaft of the motor is disposed in the second mounting hole.
8. The door opening and closing apparatus as claimed in any one of claims 1 to 7, wherein a slide groove is provided in the housing, and the sliding door is disposed in the slide groove.
9. The door opening and closing device as claimed in any one of claims 1 to 7, wherein the door opening and closing device is an electric control box, or the door opening and closing device is an aromatherapy box.
10. A household appliance, characterized in that it comprises a door opening and closing device according to any one of claims 1 to 9.
11. The household appliance according to claim 10, wherein the household appliance is an air conditioner or the household appliance is a humidifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122410607.5U CN215927131U (en) | 2021-09-30 | 2021-09-30 | Door opening and closing device and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122410607.5U CN215927131U (en) | 2021-09-30 | 2021-09-30 | Door opening and closing device and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927131U true CN215927131U (en) | 2022-03-01 |
Family
ID=80407992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122410607.5U Active CN215927131U (en) | 2021-09-30 | 2021-09-30 | Door opening and closing device and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927131U (en) |
-
2021
- 2021-09-30 CN CN202122410607.5U patent/CN215927131U/en active Active
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